When you are super hungry and EVERYTHING looks good. When you order tons of stuff to eat, only to find out afterwards that you weren't as hungry as you thought you were. e.g. "your eyes are bigger than your stomach".

Man, I was starving. I went to the store and bought a cart load of food. I had a big eye.

At Thanksgiving I tried everything on the table. I had mashed potatoes with gravy, yams with marshmallows, raisin walnut stuffing, turkey, green bean casserole, ham with pineapple and marachino cherries, buttered biscuits and cranberry sauce. My plate was over flowing. After having a few bites of everything, I was stuffed. I hardly touched anything on my plate. I had a big eye.

Used to describe a mentally handicapped person. Particularly, one with down syndrome. Noted to the extremely large eyes and droopy face that tend to accommodate down syndrome. Another politically correct term to describe the mentally handicapped.

A street drug that makes people act like their aint a problem in the world.

ex 1: When I seen little Johnny was shot but didn't call the ambulance, I knew he was on big EYE.
ex 2: "Everybody got their own problems. When I lost my son Big EYE helped me get through the pain and still does... Don't worry about me."